Roller skate boot



FIG. 1 is a perspective view of a roller skate boot showing my newdesign;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a top plan view thereof.

The bottom is plain and unornamented.

The ornamental design for a roller skate boot, as shown and described.